Preamp & Buffer

Powered by a trio of 12AX7 tubes, the Tone King Imperial Preamp condenses the essence of Tone King’s beloved Imperial MKII amplifier into a pedalb...

The Royalist Tube Preamp Pedal distils the essence of classic British rock tone into a compact, pedalboard-ready format. Inspired by Tone King’s Ro...

The Friedman IR-X is a feature-laden guitar preamp that fits right on your pedalboard. And since it's loaded with two high-voltage 12AX7 tubes, th...

Introducing OPUS, an end-to-end tone shaping Amp Simulator and DynIR™ Engine ushering-in the next milestone-evolution of the Two notes ecosystem. ...

From sublime cleans to the gnarliest of Metal tones, your performance demands the pinnacle in tonal excellence. Enter ReVolt Guitar, a forward-thi...

The bass: It’s the bedrock of any performance, demanding nothing short of tonal excellence. Enter ReVolt Bass, a forward-thinking all-analog 3-cha...

With the IR-D dual tube preamp and DI pedal, Friedman sets its sights on the perfect marriage of modern amenities and authentic tube tone. In esse...

Driven by two glowing-hot, high-voltage 12AX7 preamp tubes, the Friedman IR-J packs the preamp section of Jake E. Lee’s signature JEL amplifiers...